| Comparison of a normal aged brain (left) and the brain of a person with Alzheimer's disease (right). Differential characteristics are pointed out. | |
| Specialty | Neurology, psychiatry |
|---|---|
| Symptoms | Decreased ability to think and remember, emotional problems, problems with language, decreased motivation[2][3] |
| Usual onset | Gradual[2] |
| Duration | Long term[2] |
| Causes | Alzheimer's disease, vascular dementia, Lewy body dementia, frontotemporal dementia[2][3] |
| Diagnostic method | Cognitive testing (mini mental state examination)[3][4] |
| Differential diagnosis | Delirium[5] |
| Prevention | Early education, prevent high blood pressure, prevent obesity, no smoking, social engagement[6] |
| Treatment | Supportive care[2] |
| Medication | Cholinesterase inhibitors (small benefit)[7][8] |
| Frequency | 46 million (2015)[9] |
| Deaths | 1.9 million (2015)[10] |
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